Home / 26,613.36-39,929.46-11,820.94

Finding the Fourth Proportional to 26,613.36, 39,929.46 and 11,820.94

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Solution

The fourth proportional to 26,613.36, 39,929.46 and 11,820.94 is: 17,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.36 : 39,929.46 = 11,820.94 : x
  2. Step 2: Convert to fraction form
    26,613.36/39,929.46 = 11,820.94/x
  3. Step 3: Cross multiply
    26,613.36x = 39,929.46 × 11,820.94
  4. Step 4: Simplify right side
    26,613.36x = 472,003,750.89
  5. Step 5: Solve for x
    x = 472,003,750.89/26,613.36
  6. Step 6: Final answer
    x = 17,735.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.